Straits of Mackinac and Line 5 Pipeline Stakeholder Briefing Corporate Enbridge Agenda Meeting Time 0900 – 1200 hours – Meeting Administration – Safety Moment – Public Affairs – Risk Management – Integrity – Marine Pollution Control – T&T Marine – Emergency Management – Questions 2 Meeting Administration – Sign-in sheet – Agenda – Information Brochures – Fire Alarm/Exits/Muster Point – Refreshments/Snacks – Restrooms 3 Safety Moment Reminders for Spring Driving – Sun Rise and Set is Low on the Horizon • Wear sunglasses • Use a visor • Keep your windshield clean • Pullover until you can see properly – Kids on the Move • Scan for kids • Slow down in neighborhoods, parks, and schools – Animals on the Move • Scan for animals • Slow down in rural areas or where animal traffic is high 4 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Safety Moment Continued Reminders for Spring Driving – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones – Motorcycles are back on the Streets • Beware of your surroundings and blind spots • If you ride, be aware of your surroundings and wear proper safety gear 5 Enbridge In Michigan Line 5 Enbridge: A Vital Link to Energy Supply • Enbridge Energy has been delivering energy reliably since 1949 on what was originally referred to as the Lakehead System. • About 15% of total U.S. petroleum imports arrives via Enbridge’s Lakehead System. • Enbridge meets more than 50% of crude oil needs of all Great Lakes refineries. 7 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Liquids Pipelines in Michigan Line 6B: Griffith, IN to Marysville, MI • 235 miles in MI • 30-36-inch pipe • Capacity 500,000 bpd • Medium & heavy crude Line 79: Stockbridge to Romulus, MI • 64 miles in MI • 16-20-inch pipe • Capacity 80,000 bpd Line 5: • Light & heavy crude Superior, WI to Sarnia, ON, Canada Line 17: • 645 miles (554 miles in MI) Stockbridge, MI to Toledo, OH • 30-inch pipe (2, 20-inch heavy-walled • 77 miles in MI and seamless pipelines under Straits) • 16-inch pipe • Capacity 540,000 bpd 8 • Capacity 100,000 bpd • Light crude (also NGL & others) • Heavy crude – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Benefits to State Add Up to Millions 9 Line 5 - Fueling Michigan’s Economy – Propane – critical to meeting needs of northern Michigan home owners – 30% of light crude to Detroit area refineries – Transporting Michigan production • 14,000 bpd • 80 million bbls total 10 10 Straits Crossing 11 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Safety in the Straits of Mackinac • Design • Inspections • Automatic Shut-off Valves • Electric Back-up Generator • 24/7 Monitoring 12 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Safety in the Straits of Mackinac Line 5 Straits Pressure 13 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Straits of Mackinac Bracket Supports 14 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Internal Inspections 15 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones External Inspections 16 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Enbridge Liquid Pipelines Risk Management Overview Risk Management Dan Ferguson Liquids Pipelines Risk Management Topics 1. Risk Basics 2. Understanding Pipeline Risk 3. Managing Pipeline Risk 18 Risk Basics Likelihood Consequence 19 Risk Basics Risk = Likelihood x Consequence Likelihood Consequence 20 Understanding Pipeline Risk How does Enbridge assess risk? Threats Loss of Containment Consequences Corrosion Event Health & Safety Cracking impact Denting Mainline Environmental Mechanical release Impact Damage Geohazard Business and Leaks and Ruptures reputation Theft & Impact Sabotage Incorrect Operations Prevention and Mitigation 21 Control measures measures Managing Pipeline Risk Preventative Measures • Inherently safer design and construction • Public Awareness • Damage Prevention • In Line Inspection • Preventative maintenance • Right of Way Monitoring Emergency Response Measures Safer Design Prevention Detection Control and Mitigation Response • Leak Detection • Control Center • Remote Controlled Valves • Emergency Response 22 Pipeline Integrity: Technology and Practices Pipeline Integrity Lorna Harron Senior Manager, Integrity Technology Advancement Pipeline Integrity Guiding Principles Enbridge Integrity Philosophy Safe Energy Delivery – Prevent any leaks caused by service exposures – Maintain the system as a long life asset – Optimize maintenance programs to assure safety margins, regulatory targets, customer expectations Through World Class Pipeline Integrity 24 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Approach to Integrity Management - Lifecycle Assure Safety through Layers of Protection Operation and Design Construction Maintenance Decommission Pipeline Integrity = End-to-End Engagement – Pipeline Integrity Management Framework • Prevent threats • Monitor condition • Mitigate to maintain fitness 25 25 Enbridge Line 5 Straits of Mackinac – Best Practice from the Start Design and Construction Best Practices Beyond Industry Norm Straits of Mackinac Crossing Welding and Testing • 20in. Grade A Seamless pipe • WT 0.812in. • A total of 2031 girth welds (100%) were X rayed by Merritt-Chapman & Scott • Two welds among these welds were rejected during X-ray. They were cut-out re-welded and re-tested; all final welds passed X-ray test. • SMYS equivalent to 2400psi • An installation hydro-test of 1200psi (2.0 x MOP) • MOP-setting hydro-test of 790psi on final placement • MOP set at 600psi (~25% SMYS) • NOP is typically between ~10-15% SMYS (35 mi. from pump station) 26 Data Driven Integrity Management – Reliability Science Best Practice Integrity Activities Conducted based on Calculated Intervals 27 Prevention and Monitoring Defense in Depth Threat Prevention & Monitoring Corrosion • Coating & Cathodic Protection • Heavy Wall Pipe • Regular ILI Program • Biota Study Cracking • Seamless Pipe & Construction Quality • Coating & Cathodic Protection • Low Stress / Cycling • Span Management Program • ILI Program Corrosion Inspection Tool Support Anchors 28 Prevention and Monitoring Defense in Depth Threat Prevention & Monitoring Ice Scour • Burial Depth • Heavy Wall Pipe • Regular ILI Program Anchor Strike • Heavy Wall Pipe • Location Not Conducive to Anchoring • Signs / Public Awareness (Marine) Incorrect Operation • Training / Qualifications / Fatigue Mgt. • Alarms • Design Stress to Operating Ratio Sabotage • Cameras at site 29 Autonomous External Inspection Line 5 Straits Integrity management plan Use of Best Available Technologies to Manage Integrity – Corrosion (MFL): – Previous – 2013 – Next – 2018 (5yr interval) – Circumferential Cracks at Girth Welds (UT “free swimming” Circumferential Crack Tool + Tethered UT Circumferential Crack Tool): – Previous – 2014 – Next – 2018 (5yr interval) – Dent (Geopig): – Previous – 2013 – Next – 2018 (5yr interval) – External Visual Inspection – spans, coating, supports (Divers + Remote Operated Vehicle (ROV) + Side Scan Sonar): – Previous – 2014 30 – Next – 2016 (2yr interval) Summary Assuring Pipeline Safety Through Integrity Management • Commitment to 0 leaks • Focus on long life critical infrastructure management • Comprehensive and mature Integrity Management System • Increased program reliability since 2010 • Close interaction with all stakeholders, including regulators, researchers, industry agencies, and public 31 Emergency Management Stephen Lloyd Senior Manager Emergency Response Agenda • History • Current Status • Enhanced Capability • Next Steps 33 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones Line 5: Vital to the State of Michigan 34 – Construction is Back in Full Swing • Slow down in construction zones • Be aware of people and equipment • Plan ahead to avoid construction or have extra time to get through construction zones History Exercises – Annual inspections of Response Trailer caches – Annual